Triiodothyronine
Medical term · T
One of two types of major thyroid hormone manufactured by the thyroid gland. It contains three iodine atoms. Also known as T3.
Related terms
-
Thyroid hormoneTwo iodine-containing hormones called thyroxine (T4) and triiodothyronine (T3). They help regulate the body's metabolism and calcium balance.
-
Thyroid glandA two-lobed gland located in the front of the neck below the larynx (voice box). It secretes hormones that help regulate the body's metabolism and calcium balance.
-
GlandAny organ or tissue that secretes fluids, such as hormones, for use elsewhere in the body or as waste.
-
Liothyronine sodiumA man-made version of the thyroid hormone triiodothyronine.